FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

TYPES OF NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Ransomware is:
A
Malicious software created to damage or gain illegal access to computer systems.
B
A type of malware that creates false messages to trick the user into following malicious links.
C
A type of malware that uses encryption to lock the user out of their files then requests a large sum of money to unlock and return the data.
D
A type of malware which secretly monitors and records user actions.
Explanation: 

Detailed explanation-1: -What is Ransomware? Ransomware is a type of malicious software that infects a computer and restricts users’ access to it until a ransom is paid to unlock it. Ransomware variants have been observed for several years and often attempt to extort money from victims by displaying an on-screen alert.

Detailed explanation-2: -Ransomware is a type of malware which prevents you from accessing your device and the data stored on it, usually by encrypting your files. A criminal group will then demand a ransom in exchange for decryption.

Detailed explanation-3: -Ransomware can take your data hostage because of encryption. They use different types of cryptography, from modern symmetric ciphers such as AES or DES to asymmetric ciphers that require a public key and a private key. The idea with encryption is to prevent any reverse operation without a key.

Detailed explanation-4: -Ransomware is a type of malware attack that encrypts a victim’s data and prevents access until a ransom payment is made. Ransomware attackers often use social engineering techniques, such as phishing, to gain access to a victim’s environment.

Detailed explanation-5: -Ransomware is a type of malicious software (malware) that threatens to publish or blocks access to data or a computer system, usually by encrypting it, until the victim pays a ransom fee to the attacker.

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